Method and device for the determination of polymeric biguanides

Details Method and device for the determination of polymeric biguanides Method and device for the determination of polymeric biguanides

1994-05-24

1996-03-12

Redding, David A.

Chemistry: analytical and immunological testing

Nitrogen containing

Amine and quaternary ammonium

436124, 436169, 436904, G01N 3300

Patent

active

054985471

ABSTRACT:
A test method and device is described for determining biguanides in aqueous fluids such as swimming pool water which involve contacting the fluid with a matrix incorporating a pH sensitive indicator material which exhibits the biguanide error effect. A buffer is advantageously used to maintain the test system within a defined constant pH range to eliminate the effect of pH changes on the test system.

REFERENCES:
patent: 2986453 (1961-05-01), Collins
patent: 3063812 (1962-11-01), Collins
patent: 3095277 (1963-06-01), Free
patent: 3438737 (1969-04-01), Atkinson
patent: 4092115 (1978-05-01), Rupe et al.

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